Finding the Fourth Proportional to 2,061.03, 3,091.70 and 745.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.03 : 3,091.70 = 745.57 : x
2. Step 2: Convert to fraction form
   2,061.03/3,091.70 = 745.57/x
3. Step 3: Cross multiply
   2,061.03x = 3,091.70 × 745.57
4. Step 4: Simplify right side
   2,061.03x = 2,305,062.91
5. Step 5: Solve for x
   x = 2,305,062.91/2,061.03
6. Step 6: Final answer
   x = 1,118.40